The Star brite 85632 is a 32 oz mildew stain remover designed for fiberglass, vinyl, and plastic surfaces. Its triple-action formula with buffered-bleach technology eliminates mold and mildew stains on contact without heavy scrubbing, while being gentle on marine upholstery and stitching. This product is intended for use on boats, homes, and RVs, and only removes stains, not the growth itself.